Home / 45,380.97-68,021.01-34,251.57

Finding the Fourth Proportional to 45,380.97, 68,021.01 and 34,251.57

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Solution

The fourth proportional to 45,380.97, 68,021.01 and 34,251.57 is: 51,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.97 : 68,021.01 = 34,251.57 : x
  2. Step 2: Convert to fraction form
    45,380.97/68,021.01 = 34,251.57/x
  3. Step 3: Cross multiply
    45,380.97x = 68,021.01 × 34,251.57
  4. Step 4: Simplify right side
    45,380.97x = 2,329,826,385.49
  5. Step 5: Solve for x
    x = 2,329,826,385.49/45,380.97
  6. Step 6: Final answer
    x = 51,339.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.